package com.example.my7

import android.annotation.SuppressLint
import android.content.ComponentName
import android.content.Context
import android.content.Intent
import android.content.ServiceConnection
import android.os.Bundle
import android.os.IBinder
import android.view.View
import android.widget.SeekBar
import androidx.activity.enableEdgeToEdge
import androidx.appcompat.app.AppCompatActivity
import androidx.core.app.ActivityCompat
import androidx.core.content.ContextCompat
import kotlin.concurrent.thread

class MainActivity : AppCompatActivity(), ServiceConnection {

    var binder:MusicService.MusicBinder?=null
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        enableEdgeToEdge()
        setContentView(R.layout.activity_main)

        if(ContextCompat.checkSelfPermission(this, android.Manifest.permission.READ_EXTERNAL_STORAGE)!= android.content.pm.PackageManager.PERMISSION_GRANTED){
            ActivityCompat.requestPermissions(this, arrayOf(android.Manifest.permission.READ_EXTERNAL_STORAGE), 0)
        }else{
            startMusicService()
        }

        val seekBar = findViewById<SeekBar>(R.id.seekBar)

        seekBar.setOnSeekBarChangeListener(object: SeekBar.OnSeekBarChangeListener {
            override fun onProgressChanged(
                seekBar: SeekBar,
                progress: Int,
                fromUser: Boolean
            ) {
                if(fromUser){
                    binder?.currentPosition = progress
                }
            }
            override fun onStartTrackingTouch(seekBar: SeekBar){}
            override fun onStopTrackingTouch(seekBar: SeekBar){}

        })

    }

    private fun startMusicService() {
        val intent = Intent(this, MusicService::class.java)
        intent.putExtra(MusicService.Commond,1)
        startService(intent)
        bindService(intent, this,Context.BIND_AUTO_CREATE)
    }

    fun onPlay(view: View) {
        val intent = Intent(this, MusicService::class.java)
        intent.putExtra(MusicService.Commond,1)
        startService(intent)
    }
    fun onPause(view: View) {
        val intent = Intent(this, MusicService::class.java)
        intent.putExtra(MusicService.Commond,2)
        startService(intent)
    }
    fun onStop(view: View) {
        val intent = Intent(this, MusicService::class.java)
        intent.putExtra(MusicService.Commond,3)
        startService(intent)
    }
    fun onNext(view: View) {
        val intent = Intent(this, MusicService::class.java)
        intent.putExtra(MusicService.Commond,4)
        startService(intent)
    }

    fun onPrev(view: View) {
        val intent = Intent(this, MusicService::class.java)
        intent.putExtra(MusicService.Commond,5)
        startService(intent)
    }
    override fun onRequestPermissionsResult(
        requestCode: Int,
        permissions: Array<out String>,
        grantResults: IntArray
    ) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
        startMusicService()
    }

    override fun onDestroy() {
        super.onDestroy()
        unbindService(this)
    }
    @SuppressLint("SetTextI18n")
    override fun onServiceConnected(p0: ComponentName?, service: IBinder?) {
        val seekBar = findViewById<SeekBar>(R.id.seekBar)
        binder=service as MusicService.MusicBinder
        thread {
            while (binder!=null) {
                Thread.sleep(1000)
                runOnUiThread{
                    seekBar.max = binder!!.duration
                    seekBar.progress = binder!!.currentPosition
                    val textView_mn = findViewById<android.widget.TextView>(R.id.textView_mn)
                    val textView_count = findViewById<android.widget.TextView>(R.id.textView_count)
                    textView_mn.text = binder!!.musicName
                    textView_count.text = "${binder!!.currentIndex+1}/${binder?.size}"
                }
            }
        }

    }

    override fun onServiceDisconnected(p0: ComponentName?) {
        binder = null
    }
}